WS Paraquat & Diquat Back Catalog number: 38131 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended YA20950031TO PAH-Mix 31 deuterated, 1000 ng/µl, 1ml Price on request 3443.2-100-AN Methamidophos, 100μg/mL in Acetonitrile, 1ml Price on request S-4677-100-DCX10 Custom Mix of deuterated PAHs 2, 100ug/ml each 1088 Benzo[a]pyrene 1337 Fluoranthrene Price on request